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Web Server : Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.29 OpenSSL/1.0.1f
System : Linux b8009 3.13.0-170-generic #220-Ubuntu SMP Thu May 9 12:40:49 UTC 2019 x86_64
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PHP Version : 5.5.9-1ubuntu4.29
Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,
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Directory :  /usr/src/linux-headers-3.13.0-170/arch/microblaze/include/asm/

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Current File : /usr/src/linux-headers-3.13.0-170/arch/microblaze/include/asm/cmpxchg.h
#ifndef _ASM_MICROBLAZE_CMPXCHG_H
#define _ASM_MICROBLAZE_CMPXCHG_H

#include <linux/irqflags.h>

void __bad_xchg(volatile void *ptr, int size);

static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
								int size)
{
	unsigned long ret;
	unsigned long flags;

	switch (size) {
	case 1:
		local_irq_save(flags);
		ret = *(volatile unsigned char *)ptr;
		*(volatile unsigned char *)ptr = x;
		local_irq_restore(flags);
		break;

	case 4:
		local_irq_save(flags);
		ret = *(volatile unsigned long *)ptr;
		*(volatile unsigned long *)ptr = x;
		local_irq_restore(flags);
		break;
	default:
		__bad_xchg(ptr, size), ret = 0;
		break;
	}

	return ret;
}

#define xchg(ptr, x) \
	((__typeof__(*(ptr))) __xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))

#include <asm-generic/cmpxchg.h>
#include <asm-generic/cmpxchg-local.h>

#endif /* _ASM_MICROBLAZE_CMPXCHG_H */

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